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Excitation wavelength dependent luminescence properties for Eu3+-activated Ba2Gd2Si4O13 phosphor

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Abstract

The tunable spectroscopy properties of Eu3+-activated Ba2Gd2Si4O13 phosphors under different wavelengths from vacuum ultraviolet (VUV) to ultraviolet region have been demonstrated. From the emission spectra, a broad band centered at 410 nm can be observed by choosing the suitable excitation wavelength, which is determined to be the defects produced under high temperature. Based on the result, the phosphor shows a tunable emission depending on the excitation source and the concentration of Eu3+. In addition, the VUV photoluminescence property of a series of Ba2Gd2Si4O13:Eu3+ indicates that the optimal sample is Ba2Gd1.9Si4O13:5 %Eu3+ whose emitting color and decay time is beneficial for the application compared to the value for the commercial red-emitting phosphor.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 51402088), the Postdoctoral Science Foundation of China (2013M531671), the Science and Technology Research Foundation awarded by Educational Commission of Henan Province of China (Grant no.13A430096), and the Fundamental Research Fund of provincial universities for young scientific talents (0000A40545).

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Correspondence to Feng Zhang.

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Zhang, F., Li, G., Huang, Y. et al. Excitation wavelength dependent luminescence properties for Eu3+-activated Ba2Gd2Si4O13 phosphor. J Mater Sci 50, 4772–4778 (2015). https://doi.org/10.1007/s10853-015-9031-z

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  • DOI: https://doi.org/10.1007/s10853-015-9031-z

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